Instagram model has written a message on her bum to remind men to get the Covid vaccine.Cris Galera, from Portugal, is working on a new campaign to encourage Covid-19 vaccination among men as she thinks it's "safer".She said: "I'm looking for vaccinated men, it's safer."Her campaign comes after a US CNN survey found that vaccination against Covid-19 in the United States has so far had nearly twice as many women as men.Talking about this, Cris said: "This data is very worrying because it makes it clear that not all men are taking care of themselves as they should."Today I am afraid of meeting men who are not vaccinated and I demand the vaccination card as proof."I prefer those who take both doses."As part of the campaign, Cris has stripped.